Marathon County · 46,787 residents · 6 water systems
14
Contaminants detected
7
PFAS compounds
64
Hardness (mg/L)
0
Above legal limits
7
Above health guidelines
Wausau drinking water comes from groundwater wells. Based on the most recent monitoring data, 14 contaminants have been detected in the water supply, including Lead, Nitrate, Radium, Uranium, and 10 others. PFAS compounds have been detected at trace levels in Wausau water. Water hardness is 64 mg/L (moderately hard), which is within a typical range for the region.
Contaminants detected in Wausau water
14 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Wausau tap water meets EPA legal standards (Maximum Contaminant Levels). However, 7 contaminants are present above independent health guidelines, which are often stricter than legal limits. 14 contaminants have been detected in the water supply, including Lead, Nitrate, Radium, Uranium, Total Trihalomethanes. View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Wausau water?
Monitoring has detected 14 contaminants in Wausau's water supply: Lead, Nitrate, Radium, Uranium, Total Trihalomethanes, Haloacetic Acids (HAA5), Selenium, Fluoride, Barium, PFHpA (Perfluoroheptanoic Acid), Nmefosaa, Netfosaa, Silica, PFBA (Perfluorobutanoic Acid). Additionally, 7 PFAS compounds have been detected at trace levels. 7 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Wausau water have PFAS?
Yes. 7 PFAS compounds have been detected in Wausau's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Where does Wausau get its drinking water?
Wausau's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Wausau is served by 6 water systems, the largest being WAUSAU WATERWORKS (serving 39,994 people).
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